Salt-making apparatus



(No Model.)

B. G. PETERS.

SALT MAKING APPARATUS.

No. 377,268. Patented Jan. 31, 1888.

WITNESSES: INVENTOR: gw A Q 7W ATTORNEYS.

N. PETERS. Pholo-Lrlhugnphar. Washington. [1 c.

UNITE TATES ATENT Fries.

RICHARD G. PETERS, OF MANISTEE, MICHIGAN.

SALT-MAKING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 377,268, dated January 31,1888.

Application filed Mareh 26,1887, Serial No. 232,609.

To all whom it may concern.-

Be it known that I, RICHARD G. Returns, of Manistee, in the county of Manistee and State of Michigan, have invented a new and useful Improvement in Salt-Making Apparatus, of which the following is a specification.

The object of my invention is to utilize the waste heat from the vacuum-pans in the manufacture of salt to heat the grainers instead of the live steam ordinarily employed, thereby rendering available that which heretofore has been lost.

The invention will first be described in connection with the drawings, and then pointed out in the claims.

Figure 1 is a plan View of an apparatus for manufacturing salt having my improvement applied. Fig. 2 is a side elevation of the same.

Similar letters of reference indicate corresponding parts in all the figures.

Referring to the drawings by letters, A represents a vacuum-pan to the steam jacket or coil A of which steam is admitted through the pipe A. From the upper part of the vacuum-pan A projects a pipe, B, which is connected to the steam jacket or coil B of a second vacuum-pan, B for conducting the vapors generated in the pan A to the said jacket. A pipe, 0, extends from the upper part of the vacuumpan B and is connected to a main -distributing-pipe, D, which in turn is connected to the pipe E, which is coiled at its lower end in the grainer X, whereby the vapors generated in the pan B will be conducted to the grainer X for heating the brine in the same.

For the purpose of drawing off the condensed vapors from the coil in the grainer and for maintaining the requisite vacuum in the pans A B I connect the air-pump I with the coil of pipe in the grainer by means of the tail-pipe H and pipe t, through which the vapors are drawn ofi' and discharged. It will thus be seen that I utilize the vapors generated in the vacuum-pan B, and which heretofore have been lost, to heat the grainer X.

For further utilizing the waste heat of the vacuum-pans I connect to the steam jackets (No model.)

or coils A B the pipes J K, respectively, and connect the said pipes to a distributing-pipe, L; which in turn is connected to the coil of pipe in the grainer Y, so that the water of condensation in the jackets or coils will be conducted to the grainer for heating the brine therein. This water of condensation after passing through the pipe coiled in the grainer Y is conducted through branch tail-pipes O to main tail-pipe P and then discharged. The

tail-pipe O is elevated from one to three feet to insure the filling of all the pipes in the grainer before it is allowed to escape. I prefer to connect an air-pump to the hot-water pipes J K for assisting in drawing off the water of condensation from the jackets or coils A B and for insuring a current through the coils in the grainer.

The grainers are of the ordinary construction, and although I have only shown one in each of the arrangements, yet it is to be understood that there is to be a series in each. It will also be understood that instead of two or more vacuum-pans I might useasingle one, conducting the vapors from it directly to the grainer.

Having thus described my invention, whatI claim, and desire to secure by Letters Patent, 1s

1. In a salt-making apparatus, the combination, with the grainer X, of the vacuumpans A B", provided with the jackets A B, the pipe B, connecting the upper part of the pan A with the jacket B of pan B", the pipe 0, leading from pan B, and the pipe E, con nected with the pipe 0, and having its lower end coiled in the grainer X, substantially as herein shown and described.

2. In a salt-making apparatus, the combination, with the grainer X, of the vacuumpans A B provided with the jackets A B, the pipe B, connecting the upper part of pan A with the jacket B of pan B, the pipe 0, leading from pan B, the distributing-pipe, the pipe E, connected to the distributing-pipe, and having its lower end coiled in the grainer X, the pump I, and the pipesH and t, connecting the coiled pipe to the pump, substantially as described.

3. In a salt-making apparatus, the combiin the grainer and connected to the pipesJ K, nation, with the vacuum-pans A B provided and the tail-pipe O; substantially as herein withthe jackets A B, and the pipe B, .conshown and described. necting the upper part of pan A With the RICHARD G. PETERS.

' 5 jacket B of pan B of the grainer Y, the Witnesses:

pipes J K, projecting from the jackets 0f the F. H.'SMITH, pans, the pipe L, having its lower end coiled J. A. PROGTON. 

